The Water and Drainage History of Philadelphia, Part 2
Down Under!
The Sad History of Frankford Creek
Dauphin and Sydenham car crash, Jan. 17, 1978
Norman Lofton inspects sewer at Ditman and Sheffield, 1987
Half a Century of Clean Water
Emscher Tank Installation at Essen Nord, Germany
Drain water from sludges obtained from sedimentation, septic and Emscher tanks
Captain Sewer and Michael Nutter, 1998
Rudolph Hering